# Set membership

This English edition is an AI candidate and does not yet have an OCME Atlas (GPT-6) Twin closure receipt.

[Catalogue presentation and source-binding data](https://ocme.evemisslab.com/data/i18n/catalogue.en.json)



## [Set membership](https://ocme.evemisslab.com/en/atlas/atlas-set-membership/)

The relation describing whether an element belongs to a set.

atlas-set-membership · canonical_mko

[Set membership](https://ocme.evemisslab.com/en/mko/mko-set-membership/)

## Prerequisite nodes


- [Set](https://ocme.evemisslab.com/en/atlas/atlas-set/)